<template>
<div class="login-wrap"  
    v-loading="loading"
    :element-loading-text="loadingtext"
    element-loading-spinner="el-icon-loading"
    element-loading-background="rgba(0, 0, 0, 0.8)">
 <div :class="{'right-panel-active':flag}" class="container">
    <!-- 注册 -->
    <div class="container_form container--signup">
        <form action="#" class="form" id="form1">
            <h2 class="form_title">注册</h2>
            <input type="text" placeholder="User" class="input" v-model="registerMsg.userName"/>
            <input type="tel" placeholder="phoneNumber" class="input" v-model="registerMsg.phone"/>
            <input type="email" placeholder="email" class="input" v-model="registerMsg.email"/>
            <input type="password" placeholder="Password" class="input" v-model="registerMsg.pwd"/>
            <el-button class="btn" @click="sendRegisterMsg">Sign Up</el-button>
        </form>
    </div>

    <!-- 登录 -->
    <div class="container_form container--signin">
        <form class="form">
            <h2 class="form_title" v-html="isAdmin? '管理员登录' : '学生登录'"></h2>
             <el-button v-if="isAdmin" type="primary" size="mini" @click="isAdmin = false" plain>学生登录</el-button>
             <el-button v-else type="primary" size="mini" @click="isAdmin = true" plain>管理员登录</el-button>
            <input type="tel" v-if="!isAdmin" placeholder="PhoneNumber" class="input" v-model="loginMsg.phone"/>
            <input type="tel" v-else placeholder="User" class="input" v-model="loginMsg.phone"/>
            <input type="password" placeholder="Password" class="input" v-model="loginMsg.pwd" @keydown.enter="sendLoginMsg"/>
            <a href="#" class="link">Forgot your password?</a>
            <el-button class="btn" @click="sendLoginMsg">Sign In</el-button>
        </form>
    </div>

    <!-- 浮层 -->
    <div class="container_overlay">
        <div class="overlay">
            <div class="overlay_panel overlay--left">
                <el-button class="btn" @click="flag = 0" plain>Sign In</el-button>
            </div>
            <div class="overlay_panel overlay--right">
                <el-button class="btn" @click="flag = 1" plain>Sign Up</el-button>
            </div>
        </div>
    </div>
</div>

<!-- 背景 -->
<div class="slidershow">
    <div class="slidershow--image" :style="{'background-image': `url(${bg01})`}"></div>
    <div class="slidershow--image" :style="{'background-image': `url(${bg02})`}"></div>
    <div class="slidershow--image" :style="{'background-image': `url(${bg03})`}"></div>
    <div class="slidershow--image" :style="{'background-image': `url(${bg04})`}"></div>
   
</div>
</div>
    
</template>

<script>
import axios from 'axios'
import {register,login} from '@/api'
import qs from "qs" 
import bg01 from './images/bg01.jpg'
import bg02 from './images/bg02.jpg'
import bg03 from './images/bg03.jpg'
import bg04 from './images/bg04.jpg'
export default {
    name: "LoginRegister",
    data(){
        return{
            loginloading:false,
            registerloading:false,
            isAdmin:false,
            flag:1,
            bg01:bg01,
            bg02:bg02,
            bg03:bg03,
            bg04:bg04,
            loginMsg:{
                phone:'',
                pwd:''
            },
            registerMsg:{
                userName:'',
                email:'',
                phone:'',
                pwd:''
            },
        }
    },
    computed:{
        loading(){
            if(this.loginloading || this.registerloading)
                return true
            else
                return false
        },
        loadingtext(){
             if(this.loginloading && !this.registerloading)
                return "登录中..."
             if(!this.loginloading && this.registerloading)
                return "注册中..."
            else
                return "拼命加载中..."
        }
    },
    methods: {
       sendRegisterMsg(){
            if(!this.registerMsg.userName){
				  this.$message({
                       showClose: true,
                       message: '用户名不能为空！',
                       type: 'error',
                   });
                return;
           }else if(!this.registerMsg.phone){
			   this.$message({
			        showClose: true,
			        message: '手机号不能为空！',
			        type: 'error',
			    });
                return;
           }else if(!this.registerMsg.email){
			   this.$message({
			        showClose: true,
			        message: '邮箱不能为空！',
			        type: 'error',
			    });
                return;
           }else if(!this.registerMsg.pwd){
				this.$message({
			        showClose: true,
			        message: '密码不能为空！',
			        type: 'error',
			    });
                return;
           }
           this.registerloading = true
           let data = {
                   userName:this.registerMsg.userName,
                   email:this.registerMsg.email,
                   phone:this.registerMsg.phone,
                   password:this.registerMsg.pwd,
               }
          register(qs.stringify(data)).then(res=>{
               console.log(res);
               if(res.status == 200){
                   this.registerloading = false
                    this.$message({
                        showClose: true,
                        message: '注册成功！',
                        type: 'success',
                    });
                   this.registerMsg.userName = ''
                   this.registerMsg.phone = ''
                   this.registerMsg.pwd = ''
                   this.flag = 0
               }else{
                   this.registerloading = false
                   this.registerMsg.userName = ''
                   this.registerMsg.phone = ''
                   this.registerMsg.pwd = ''
                   this.registerloading = false
                    this.$message({
                        showClose: true,
                        message: res.msg,
                        type: 'error',
                    });
               }
           },err=>{
               console.log(err.message);
                this.registerloading = false
                this.$message({
                        showClose: true,
                        message: '注册失败！',
                        type: 'error',
                    });
                this.registerMsg.userName = ''
                this.registerMsg.phone = ''
                this.registerMsg.pwd = ''
           })
       },
       sendLoginMsg(){
           if(!this.loginMsg.phone){
                alert('用户名不能为空');
                return;
           }else if(!this.loginMsg.pwd){
                 alert('密码不能为空');
                return;
           }
           this.loginloading = true
             let data = {
                   phone:this.loginMsg.phone,
                   password:this.loginMsg.pwd,
                   isAdmin:this.isAdmin
               }
         login(qs.stringify(data)).then(res=>{
               console.log(res);
               if(res.status == 200){
                    this.loginMsg.phone = ''
                    this.loginMsg.pwd = ''
                    this.loginloading = false
                     this.$message({
                        showClose: true,
                        message: '登录成功！',
                        type: 'success',
                    });
                    if(this.isAdmin) this.$store.dispatch('setAdminInfo',res)
                    else this.$store.dispatch('setReaderInfo',res)
                    this.$store.dispatch('initBooksList')
                    this.$store.dispatch('initCommentsList')
                    this.$router.push('/home')
               }else{
                    this.loginloading = false
                    this.loginMsg.phone = ''
                    this.loginMsg.pwd = ''
                    this.loginloading = false
                     this.$message({
                        showClose: true,
                        message: '登录失败！',
                        type: 'error',
                    });
               }
           },err=>{
               console.log(err.message);
                this.loginMsg.phone = ''
                this.loginMsg.pwd = ''
                this.loginloading = false
                 this.$message({
                        showClose: true,
                        message: '登录失败！',
                        type: 'error',
                    });
           })
       },
    },
};
</script>

<style lang="css" scoped>
:root {
	/* 颜色 */
	--white: #e9e9e9;
	--gray: #333;
	--blue: #095c91;
	--blue-r: #315a7491;
	--lightblue: #0393a3;

	/* 圆角 */
	--button-radius: 0.7rem;

	/* 大小 */
	--max-width: 758px;
	--max-height: 420px;

	font-size: 16px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
		Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.login-wrap {
	align-items: center;
	background-color: #e9e9e9;
	background-attachment: fixed;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	display: grid;
	height: 100vh;
	place-items: center;
}

.form_title {
	font-weight: 300;
	margin: 0;
	margin-bottom: 1.25rem;
}

.link {
	color: #333;
	font-size: 0.9rem;
	margin: 1.5rem 0;
	text-decoration: none;
}

.container {
	background-color: #e9e9e9;
	border-radius: 0.7rem;
	box-shadow: 0 0.9rem 1.7rem rgba(0, 0, 0, 0.25),
		0 0.7rem 0.7rem rgba(0, 0, 0, 0.22);
	height: 420px;
	max-width: 758px;
	overflow: hidden;
	position: relative;
	width: 100%;
}

.container_form {
	height: 100%;
	position: absolute;
	top: 0;
	transition: all 0.6s ease-in-out;
}

.container--signin {
	left: 0;
	width: 50%;
	z-index: 5;
}

.container.right-panel-active .container--signin {
	transform: translateX(100%);
}

.container--signup {
	left: 0;
	opacity: 0;
	width: 50%;
	z-index: 4;
}

.container.right-panel-active .container--signup {
	-webkit-animation: show 0.6s;
	        animation: show 0.6s;
	opacity: 1;
	transform: translateX(100%);
	z-index: 8;
}

.container_overlay {
	height: 100%;
	left: 50%;
	overflow: hidden;
	position: absolute;
	top: 0;
	transition: transform 0.6s ease-in-out;
	width: 50%;
	z-index: 100;
}

.container.right-panel-active .container_overlay {
	transform: translateX(-100%);
}

.overlay {
	background-color: rgba(255, 255, 255, 0.25);
	background-attachment: fixed;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	height: 100%;
	left: -100%;
	position: relative;
	transform: translateX(0);
	transition: transform 0.6s ease-in-out;
	width: 200%;
}

.container.right-panel-active .overlay {
	transform: translateX(50%);
}

.overlay_panel {
	align-items: center;
	display: flex;
	flex-direction: column;
	height: 100%;
	justify-content: center;
	position: absolute;
	text-align: center;
	top: 0;
	transform: translateX(0);
	transition: transform 0.6s ease-in-out;
	width: 50%;
}

.overlay--left {
	transform: translateX(-20%);
}

.container.right-panel-active .overlay--left {
	transform: translateX(0);
}

.overlay--right {
	right: 0;
	transform: translateX(0);
}

.container.right-panel-active .overlay--right {
	transform: translateX(20%);
}

.btn {
	background-color: #095c91;
	background-image: linear-gradient(90deg, #095c91 0%, #0393a3 74%);
	border-radius: 20px;
	border: 0.2px solid #315a7491;
	color: #e9e9e9;
	cursor: pointer;
	font-size: 0.8rem;
	font-weight: bold;
	letter-spacing: 0.1rem;
	padding: 0.9rem 4rem;
	text-transform: uppercase;
	transition: transform 80ms ease-in;
}

.form > .btn {
	margin-top: 1.5rem;
}

.btn:active {
	transform: scale(0.95);
}

.btn:focus {
	outline: none;
}

.form {
    background-color: #e9e9e9;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 3rem;
    height: 100%;
    text-align: center;
}

.input {
    background-color: #fff;
    border: none;
    padding: 0.9rem 0.9rem;
    margin: 0.5rem 0;
    width: 100%;
}

@-webkit-keyframes show {
    0%,
    49.99% {
        opacity: 0;
        z-index: 4;
    }

    50%,
    100% {
        opacity: 1;
        z-index: 8;
    }
}

@keyframes show {
    0%,
    49.99% {
        opacity: 0;
        z-index: 4;
    }

    50%,
    100% {
        opacity: 1;
        z-index: 8;
    }
}


.slidershow {
    position: absolute;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.slidershow--image {
    position: absolute;
    width: 100%;
    height: 100%;
    background: no-repeat 50% 50%;
    background-size: cover;
    -webkit-animation-name: kenburns;
    animation-name: kenburns;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-duration: 16s;
    animation-duration: 16s;
    opacity: 1;
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
}

.slidershow--image:nth-child(1) {
    -webkit-animation-name: kenburns-1;
    animation-name: kenburns-1;
    z-index: 3;
}

.slidershow--image:nth-child(2) {
    -webkit-animation-name: kenburns-2;
    animation-name: kenburns-2;
    z-index: 2;
}

.slidershow--image:nth-child(3) {
    -webkit-animation-name: kenburns-3;
    animation-name: kenburns-3;
    z-index: 1;
}

.slidershow--image:nth-child(4) {
    -webkit-animation-name: kenburns-4;
    animation-name: kenburns-4;
    z-index: 0;
}

@-webkit-keyframes kenburns-1 {
    0% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    1.5625% {
        opacity: 1;
    }
    23.4375% {
        opacity: 1;
    }
    26.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    98.4375% {
        opacity: 0;
        -webkit-transform: scale(1.21176);
        transform: scale(1.21176);
    }
    100% {
        opacity: 1;
    }
}

@keyframes kenburns-1 {
    0% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    1.5625% {
        opacity: 1;
    }
    23.4375% {
        opacity: 1;
    }
    26.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    98.4375% {
        opacity: 0;
        -webkit-transform: scale(1.21176);
        transform: scale(1.21176);
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes kenburns-2 {
    23.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    26.5625% {
        opacity: 1;
    }
    48.4375% {
        opacity: 1;
    }
    51.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
}

@keyframes kenburns-2 {
    23.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    26.5625% {
        opacity: 1;
    }
    48.4375% {
        opacity: 1;
    }
    51.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
}

@-webkit-keyframes kenburns-3 {
    48.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    51.5625% {
        opacity: 1;
    }
    73.4375% {
        opacity: 1;
    }
    76.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
}

@keyframes kenburns-3 {
    48.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    51.5625% {
        opacity: 1;
    }
    73.4375% {
        opacity: 1;
    }
    76.5625% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
}

@-webkit-keyframes kenburns-4 {
    73.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    76.5625% {
        opacity: 1;
    }
    98.4375% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes kenburns-4 {
    73.4375% {
        opacity: 1;
        -webkit-transform: scale(1.2);
        transform: scale(1.2);
    }
    76.5625% {
        opacity: 1;
    }
    98.4375% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}
</style>